/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    https://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
package org.grails.taglib.encoder;

import org.grails.core.io.support.GrailsFactoriesLoader;

/**
 * Used to load the {@link OutputContextLookup} class for GSP
 *
 * @author Lari Hotari
 * @author Graeme Rocher
 */
public class OutputContextLookupHelper {
    private static final OutputContextLookup outputContextLookup;

    static {
        OutputContextLookup foundViaFactory = GrailsFactoriesLoader.loadFactory(OutputContextLookup.class, OutputContextLookupHelper.class.getClassLoader());
        if (foundViaFactory != null) {
            outputContextLookup = foundViaFactory;
        }
        else {
            outputContextLookup = new DefaultOutputContextLookup();
        }
    }

    private OutputContextLookupHelper() {
    }

    public static OutputContext lookupOutputContext() {
        return outputContextLookup.lookupOutputContext();
    }

    public static OutputContextLookup getOutputContextLookup() {
        return outputContextLookup;
    }
}
